/*
 * Copyright 2013-2016 consulo.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package consulo.web.gwtUI.client.util;

import com.google.gwt.user.client.ui.*;

/**
 * @author VISTALL
 * @since 11-Jun-16
 */
public class GwtUIUtil2 {
  public static Widget loadingPanel() {
    // http://tobiasahlin.com/spinkit/
    // MIT
    FlowPanel flowPanel = new FlowPanel();
    flowPanel.addStyleName("sk-cube-grid");

    for(int i = 1; i <= 9; i++) {
      FlowPanel child = new FlowPanel();
      child.addStyleName("sk-cube sk-cube" + i);
      flowPanel.add(child);
    }

    FlowPanel container = fillAndReturn(new FlowPanel());
    container.getElement().getStyle().setProperty("display", "flex");
    container.getElement().getStyle().setProperty("justifyContent", "center");

    flowPanel.getElement().getStyle().setProperty("alignSelf", "center");
    container.add(flowPanel);
    return container;
  }

  public static <T extends UIObject> T fillAndReturn(T object) {
    object.setWidth("100%");
    object.setHeight("100%");
    return object;
  }

  public static void fill(UIObject object) {
    object.setWidth("100%");
    object.setHeight("100%");
  }
}